Shaving tool holder



May m, Wm

' G. KLEIN SHAVING TOOL HOLDER Filed May 6, 1955 INVENTOR.

Patented May 19, 1936 UNITED STATES PATENT OFFICE SHAVING TOOL HOLDER,

George Klein, Dearborn, Mich.

Application May 6, 1935, Serial No. 20,028

'7 Claims. (01. 8235) My invention relates to a new and useful imend of the shank 9 and thus secures the block I provement in a shaving tool holder adapted for into position. The shank 9 is provided with a use particularly with automatic screw machines split head I3, this head being split at M and the of the multiple type and it has for its object the split ends thereof being movable towards each provision of a shaving tool which will be simple other by means of the screws I5 so as to clamp in structure, economical of manufacture, durable, about the bushing I6 which is keyed by the key highly eificient in use and compact. II against rotation relatively to the post I8 which Another object of the invention is the proviit embraces. This post I8 is movable axially in sion of a shaving tool holder whereby the articles the bushing I6.

10 operated thereon may be maintained accurately Mounted by means of the screw IS on the up- 10 formed within the required tolerances free from per end of the post I8 is a plate 20 having a any imperfections resulting from vibrations or portion ZI projected outwardly therefrom and chatterings of the instrument. provided with a slot 22 in which rotatably en- Another object of the invention is the provigages the screw 23 having the head 24 and the sion of a mechanism in which an adjustable collar 25 which engage opposite sides of the plate 15 workguide so arranged and constructed that the so that the screw is swivelly mounted in this tool and the guide may float through a limited plate. The screw 23 threads into the bracket 26 range and thus compensate for mis-alignment of which serves as a suitable support for the guide the individual spindles. roller 21. This guide roller is rotatably mounted 20 Another object of the invention is the provision between the lugs 28 and 29 which project down- 20 in a shaving tool holder of. this class of a tool wardly from the block 30. Formed in the bracket and an adjustable workguide which may be ad- 21 so as to extend transversely thereof, is a slot justed angularly relative to the holder so as to 3| communicating with the passage 32. This pascompensate for tapers and avoid tapering resultsage terminates in the recess 33 in which the ing from improper alignment. neck, projecting rearwardly from the plate 35, 25

Another object of the invention is the proviengages. This plate 35 is provided on its forsion in a tool holder of this class of mechanism ward face with a recessed portion 35 to form edge whereby a workguide and the shaving tool may be, flanges 3'! and 38 which embrace the rib 39 proas a unitary structure, tilted to the vertical for jecting rearwardly from the block 30. A verticompensating for imperfections in the work piece cally extended slot 40 is formed in the block 30 30 or in alignment. so that the bolt 4| may project through the block.

Other objects will appear hereinafter. This bolt is provided with a head 42 which en- The invention consists in the combination and gages in the slot 3| so that the block 3|] is arrangement of parts hereinafter described and mounted for movement transversely of the claimed. bracket 26 and vertically of this bracket. In the 35 The invention will be best understood by a reftransverse movement the plate 35 together with erence to the accompanying drawing which forms the bolt 4| moves in unison with the block 30. In

a part of this specification and in which, the vertical movement the block 30 would move by Fig. 1 is a side elevational view of the invenitself. A nut 43 and a Washer 44 are provided tion. on the outer end of the bolt 4| so that the block 0 Fig. 2 is a front elevational View of the inven- 3!] may be locked in its various positions of movetion. ment. By rotating the screw 23 the bracket may Fig. 3 is a sectional view taken on line 3-3 of. be moved axially of the post I8 so that it may be Fig. 2. retained in various positions axially of this Fig. 4 is a fragmentary sectional view taken on bracket, and locked in its various positions by 45 line i -4. of'Fig. 1.. means of the set screw 45..

Fig. 5 is a fragmentary sectional view taken on The post I8 projects through the tool bearing line 55 of Fig. 1. support 46 which may be moved axially of the Fig. 6 is a sectional view taken on line 6--6 of post I 8 by means of the screw 41 which is swivel- Fi 3, 1y mounted in the slot 48 formed in the plate 49 50 In the drawing I have illustrated the tool comwhich is mounted in the lower end of the post prising a shank 9 which is projected through and by the screw 50. The bolt 5| threads into the secured 1501711 blOCk which forms a p Of t shaving tool 52 and serves to maintain the shaving machine with which used. A screw II engaging tool in fixed position on the support 46. The

with its head the washer I2 threads into the opening 53 through which the bolt 51 projects is 55 of such dimension as to permit of adjustment of the cutting tool 52 inwardly and outwardly from the post [8 so that as the tool is ground away or re-sharpened it may be moved outwardly to the proper cutting position so as to maintain the cutting edge thereof in alignment with the diameter 21.

A spring 54 is secured at one end to the bracket 26 and at its opposite end to the head [3 to normally maintain the post together with the bracket 26 and the support 46 moved downwardly on the post I8. These parts, however, move in unison with each other so that a unitary structure is afforded and, thus, the cutting tool and the guide roller may move upwardly and downwardly to compensate for variations in alignment. Thus, there is provided a floating mounting.

The post [8 together with the bracket 26 and the support 41 may be rotated in the bushing I6 in the head I3. This may be effected by looseningthe screw I! to release from their clamping engagement with the bushing 16. In this way the cutting edge of the tool 52 may be inclined to the axis of the shank 9. This permits the effecting of a taper cut.

The shank 9 may be rotated in the block Ill in order to compensate for any tilt of the mechanism whichmay be present or which may be desired. This tilting of the shank 9 is effected through engagement of the set screws 55 and 55 which are threaded into the block 9 and engage the screw 51 which isprojected through the enlarged opening 58 formed in the block In and threaded into the shank 9. It is obvious that by screwing the screws 55 and 56 the shank 9 may be moved circumferential in the block l0 within the termination of the slot 58.

While I have illustrated and described the preferred form of construction, I do not wish to limit myself to the precise details of structure shown, but desire to avail myself of such variations and modifications as come within the scope of the appended claims.

Having thus described my invention, what I claim as new and desire to secure by Letters Paten 1s:'

1'. In a shaving tool holder, a shank; a head on one end of said shank; a supporting post slidably projected through said head; a tool bearing support mounted on the lower end of said post; means for moving said tool bearing support longitudinally of said post; a bracket mounted on the opposite end of said post and projecting radially outwardly therefrom; threaded means for adjusting the longitudinal position of said bracket relatively to said post; a roller bearing block; means for mounting said block on said bracket adapted for vertical and horizontal movement thereon; and means for locking said roller bearing block in fixed relation to said bracket.

2. In a shaving tool holder, a stationary block; a shank projected through a passage formed in said block; a stud projecting outwardly from said shank and engaging in an opening projected radially into said passage, said opening being of sufiicient size to permit play of said stud therein;

a head on one end of said shank; a cutting tool and a guide roller supported on said head; and means engageable with said stud for tilting said head relatively to said block and locking the same in various positions of tilt.

3. In a shaving tool holder, a bracket; a roller bearing block; means for mounting said block on said bracket free for vertical movement relatively thereto, said bracket having a transversely extended slot formed therein terminating at its rearward end in a widened slot; a bolt having a head engaging in the widened portion of said slot and extending outwardly through the conbracket adapted for vertical and. horizontal 25 movement thereon; and means for locking said roller-bearing block in fixed relation to said bracket.

5. 'In a shaving tool holder, a stationary block having a passage formed therein; an elongated 30 shank projected through said passage; a stud projecting radially outwardly from said shank; threaded means mounted on said block at opposite sides of said stud and engageable therewith and adapted upon being threaded relatively to 35 said block for rotating said shank on its longitudinal axis; a head on one end of said shank; a post projected through said head; a cutting tool carried by said post; a bracket mounted on said post; and rollers supporting on said bracket for pressing a work-piece against said cutting tool.

6. In a shaving tool holder, a stationary block; a shank projected through a passage formed in said block; a stud projecting outwardly from said shank and engaging in an opening projected radially into said passage, said opening being of such size to permit play of said stud therein; a head on one end of said shank; a post projected through said head, said post being rotatable relatively to said head; means for locking said post against rotation in said head; a cutting tool and a guide roll'er supported on said post; and means engageable with said stud for tilting said head relatively to said block and locking the same in various positions of tilt.

7. In a shaving tool, a supporting member; a post slidably mounted on said supporting member and rotatable on its axis relatively'to said supporting member; means for locking said post against rotation, said post projecting beyond opposite sides of said supporting member; a work piece engaging guide roller on said post at one side of said supporting member; and a cutting tool on said post at the opposite side of said sup-' 

